41. BS ISO 16494-1 AMD 1. Heat recovery ventilators and energy recovery ventilators. Method of test for performance. Part 1. Development of metrics for evaluation of energy related performance (28th February 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (15 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
42. BS ISO 16494. Heat recovery ventilators and energy recovery ventilators. Method of test for performance. (4th May 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (47 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
43. BS ISO 18283. Coal and coke. Manual sampling. (16th November 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (72 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
44. BS ISO 21940-14 AMD1. Mechanical vibration. Rotor balancing. Part 14. Procedures for assessing balance errors (22nd June 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (7 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
45. BS ISO 21940-21. Mechanical vibration. Rotor balancing. Part 21. Description and evaluation of balancing machines (11th October 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (78 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
46. BS ISO 230-4. Test code for machine tools. Part 4. Circular tests for numerically controlled machine tools (22nd February 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (33 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
47. BS ISO 25862 AMD 1. Ships and marine technology. Marine magnetic compasses, binnacles and azimuth reading devices. (12th April 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
48. BS ISO 3087. Iron ores. Determination of the moisture content of a lot. (3rd December 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (34 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
49. BS ISO 8178-2. Reciprocating internal combustion engines. Exhaust emission measurement. Part 2. Measurement of gaseous and particulate exhaust emissions under field conditions (17th February 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (68 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
50. BS ISO/IEC 8825-3. Information technology. ASN.1 encoding rules. Part 3. Specification of Encoding Control Notation (ECN) (28th September 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (205 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗